<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script src='jquery源码分析.js'></script>
	<style>
		.portfolio-item {
			width: 100px;
			height: 200px;
			background-color: red;
	-webkit-transition: all 0.5s ease-out;
	-moz-transition: all 0.5s ease-out;
	-ms-transition: all 0.5s ease-out;
	-o-transition: all 0.5s ease-out;
	transition: all 0.5s ease-out;
}
.portfolio-item:hover {
	-webkit-transform: scale(1.2);
	-moz-transform: scale(1.2);
	-ms-transform: scale(1.2);
	-o-transform: scale(1.2);
	transform: scale(1.2);
}
	</style>
	<script>
		$(function(){
			var arr=['a','b'];
			var arr2=['c','b'];
			console.log($.merge(arr,arr2));
		});


		$(function(){
			var arr={length:0};
			var arr2=['c','b'];
			console.log($.merge(arr,arr2));
		});
	</script>
</head>
<body>
<div class="portfolio-item"></div>
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</body>
</html>